/* ---------- Pricing Hero ---------- */
.pricing-hero {
    position: relative;
    padding: calc(6rem + 64px) 0 var(--section-y);
    overflow: hidden;
    text-align: center;
}
.pricing-hero .container {
    position: relative;
    z-index: 2;
}
.pricing-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 30%, color-mix(in oklch, var(--accent) 18%, transparent), transparent 60%);
    pointer-events: none;
}
.pricing-hero .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--f-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--fg-dim);
    padding: 0.4rem 0.9rem;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    background: var(--card);
}
.pricing-hero-title {
    font-size: clamp(2.6rem, 5vw, 4.2rem);
    margin: 1.5rem 0 1rem;
    text-wrap: balance;
    max-width: 20ch;
    margin-left: auto;
    margin-right: auto;
}
.pricing-hero-sub {
    font-size: clamp(1rem, 1.3vw, 1.15rem);
    color: var(--fg-dim);
    max-width: 58ch;
    margin: 0 auto;
    text-wrap: pretty;
}

/* ---------- Learning Style Test Section ---------- */
.style-test-section {
    padding: var(--section-y) 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--bg-2);
}
.style-test-card {
    max-width: 820px;
    margin: 0 auto;
    padding: 3rem 2.5rem;
    border: 1px solid var(--line-strong);
    border-radius: 24px;
    background: radial-gradient(ellipse at 30% 0%, color-mix(in oklch, var(--accent) 14%, transparent), transparent 60%), var(--bg);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.style-test-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.6;
}
.style-test-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.8rem;
    border: 1px solid color-mix(in oklch, var(--accent) 40%, transparent);
    background: color-mix(in oklch, var(--accent) 12%, transparent);
    border-radius: 999px;
    font-family: var(--f-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.5rem;
}
.style-test-card h2 {
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    margin-bottom: 1rem;
    text-wrap: balance;
}
.style-test-card p {
    color: var(--fg-dim);
    font-size: 15px;
    max-width: 52ch;
    margin: 0 auto 2rem;
    line-height: 1.55;
}
.style-test-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.6rem;
    background: var(--accent);
    color: var(--on-accent);
    border-radius: 12px;
    font-weight: 600;
    font-size: 15px;
    transition: transform 0.15s, box-shadow 0.2s;
}
.style-test-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 35px -10px var(--accent-glow);
}
.style-test-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}
.style-test-features span {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 13px;
    color: var(--fg-dim);
}
.style-test-features span svg {
    width: 14px;
    height: 14px;
    color: var(--accent);
    flex-shrink: 0;
}

/* ---------- Pricing Section ---------- */
.pricing-section {
    padding: var(--section-y) 0;
    text-align: center;
}
.pricing-section .section-label {
    justify-content: center;
    display: inline-flex;
}
.pricing-section .section-title {
    margin-left: auto;
    margin-right: auto;
}
.pricing-section .section-sub {
    margin-left: auto;
    margin-right: auto;
}

/* ---------- Tier Grid ---------- */
.tier-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin: 3rem auto 0;
    max-width: 1100px;
}
.tier-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    max-width: 720px;
    margin: 1.25rem auto 0;
}
@media (max-width: 900px) {
    .tier-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .tier-grid-2 {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 600px) {
    .tier-grid {
        grid-template-columns: 1fr;
    }
}

/* ---------- Tier Card ---------- */
.tier-card {
    position: relative;
    padding: 2rem 1.6rem;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--card);
    display: flex;
    flex-direction: column;
    text-align: left;
    transition: border-color 0.2s, transform 0.25s;
    overflow: hidden;
}
.tier-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}
.tier-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}
.tier-card:hover::before {
    opacity: 1;
}
.tier-card.featured {
    border-color: color-mix(in oklch, var(--accent) 50%, transparent);
    background: radial-gradient(ellipse at 50% 0%, color-mix(in oklch, var(--accent) 10%, var(--bg)), var(--bg));
    transform: translateY(-4px);
}
.tier-card.featured::before {
    opacity: 1;
}
.tier-card.featured:hover {
    border-color: var(--accent);
}
.tier-card .tier-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-family: var(--f-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 0.75rem;
    align-self: flex-start;
}
.tier-card .tier-badge.popular {
    background: var(--accent);
    color: var(--on-accent);
}
.tier-card .tier-badge.value {
    background: #4ade80;
    color: #0b0d10;
}
.tier-card .tier-badge.soon {
    background: color-mix(in oklch, var(--accent) 15%, transparent);
    color: var(--accent);
    border: 1px solid color-mix(in oklch, var(--accent) 30%, transparent);
}
.tier-name {
    font-family: var(--f-display);
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 0.25rem;
}
.tier-audience {
    font-size: 12px;
    color: var(--fg-mute);
    font-family: var(--f-mono);
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}
.tier-price {
    margin-bottom: 1.25rem;
    line-height: 1;
}
.tier-price .amount {
    font-family: var(--f-display);
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}
.tier-price .period {
    font-size: 14px;
    color: var(--fg-dim);
}
.tier-price .savings {
    display: inline-block;
    font-size: 11px;
    color: #4ade80;
    font-family: var(--f-mono);
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-left: 0.5rem;
}
.tier-price .note {
    display: block;
    font-size: 12px;
    color: var(--fg-mute);
    margin-top: 0.25rem;
}
.tier-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.tier-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 13.5px;
    color: var(--fg-dim);
    line-height: 1.4;
}
.tier-features li .check {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: color-mix(in oklch, var(--accent) 18%, transparent);
    display: grid;
    place-items: center;
    color: var(--accent);
    font-size: 10px;
    margin-top: 1px;
}
.tier-features li .cross {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: color-mix(in oklch, #ff6b6b 15%, transparent);
    display: grid;
    place-items: center;
    color: #ff6b6b;
    font-size: 10px;
    margin-top: 1px;
}
.tier-features li .muted {
    color: var(--fg-mute);
}
.tier-cta {
    display: block;
    padding: 0.75rem;
    border: 0;
    border-radius: 10px;
    background: var(--accent);
    color: var(--on-accent);
    font-family: var(--f-body);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.2s;
    text-decoration: none;
    text-align: center;
    width: 100%;
}
.tier-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 30px -10px var(--accent-glow);
}
.tier-cta.ghost {
    background: transparent;
    border: 2px solid var(--line-strong);
    color: var(--fg);
}
.tier-cta.ghost:hover {
    border-color: var(--accent);
}

/* ---------- Premium Toggle ---------- */
.tier-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    background: var(--bg-3);
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    padding: 3px;
    margin-bottom: 1rem;
    cursor: pointer;
    user-select: none;
}
.tier-toggle span {
    font-size: 12px;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    transition: background 0.2s, color 0.2s;
    font-family: var(--f-mono);
    letter-spacing: 0.05em;
}
.tier-toggle span.active {
    background: var(--accent);
    color: var(--on-accent);
}
.tier-toggle span:not(.active) {
    color: var(--fg-mute);
}
.tier-toggle span:not(.active):hover {
    color: var(--fg);
}
.tier-pricing-monthly,
.tier-pricing-yearly {
    transition: opacity 0.2s;
}
.tier-pricing-yearly {
    display: none;
}
.tier-card.show-yearly .tier-pricing-monthly {
    display: none;
}
.tier-card.show-yearly .tier-pricing-yearly {
    display: block;
}

/* ---------- FAQ ---------- */
.pricing-faq {
    padding: var(--section-y) 0;
    border-top: 1px solid var(--line);
    background: var(--bg-2);
}
.pricing-faq .container {
    max-width: 720px;
}
.pricing-faq .section-label {
    justify-content: center;
    display: inline-flex;
}
.pricing-faq h2 {
    text-align: center;
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    margin-bottom: 2.5rem;
}
.faq-item {
    border-top: 1px solid var(--line);
    padding: 1.25rem 0;
}
.faq-item:last-child {
    border-bottom: 1px solid var(--line);
}
.faq-question {
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    color: var(--fg);
    background: none;
    border: 0;
    width: 100%;
    text-align: left;
    font-family: var(--f-body);
    padding: 0;
}
.faq-question:hover {
    color: var(--accent);
}
.faq-question svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    transition: transform 0.2s;
    color: var(--fg-mute);
}
.faq-item.open .faq-question svg {
    transform: rotate(180deg);
}
.faq-answer {
    margin-top: 0.75rem;
    font-size: 14px;
    color: var(--fg-dim);
    line-height: 1.55;
    display: none;
    max-width: 52ch;
}
.faq-item.open .faq-answer {
    display: block;
    animation: fadeIn 0.3s ease;
}

/* ---------- Placeholder Quiz Page ---------- */
.quiz-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
.quiz-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
}
.quiz-card {
    max-width: 600px;
    width: 100%;
    padding: 2.5rem 2rem;
    border: 1px solid var(--line-strong);
    border-radius: 20px;
    background: var(--card);
    text-align: center;
}
.quiz-card .tier-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    font-family: var(--f-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 600;
    background: color-mix(in oklch, var(--accent) 15%, transparent);
    color: var(--accent);
    border: 1px solid color-mix(in oklch, var(--accent) 30%, transparent);
    margin-bottom: 1rem;
}
.quiz-card h1 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 0.75rem;
}
.quiz-card .sub {
    color: var(--fg-dim);
    font-size: 14px;
    max-width: 42ch;
    margin: 0 auto 2rem;
    line-height: 1.5;
}
.quiz-card .mock-questions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
    text-align: left;
}
.quiz-card .mock-q {
    padding: 1rem 1.25rem;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--bg-2);
    font-size: 14px;
}
.quiz-card .mock-q .q-label {
    font-size: 11px;
    color: var(--fg-mute);
    font-family: var(--f-mono);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 0.35rem;
}
.quiz-card .mock-q .q-text {
    color: var(--fg);
}
.quiz-card .mock-q .q-options {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-top: 0.6rem;
}
.quiz-card .mock-q .q-option {
    padding: 0.45rem 0.7rem;
    border-radius: 8px;
    border: 1px solid var(--line);
    font-size: 13px;
    color: var(--fg-dim);
    background: var(--card);
}
.quiz-card .placeholder-note {
    padding: 1rem;
    border-radius: 12px;
    background: color-mix(in oklch, var(--accent) 10%, transparent);
    border: 1px dashed color-mix(in oklch, var(--accent) 35%, transparent);
    font-size: 13px;
    color: var(--fg-dim);
    line-height: 1.5;
}
.quiz-card .btn-back {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.75rem 1.4rem;
    background: var(--accent);
    color: var(--on-accent);
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    margin-top: 1.5rem;
    transition: transform 0.15s, box-shadow 0.2s;
    text-decoration: none;
}
.quiz-card .btn-back:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 30px -10px var(--accent-glow);
}